AETHER-2788 Use parameter from configuration to configure eNB

AETHER-2725	CWMP fault returns by eNodeB
AETHER-2692	Check the XML sent by eNodeB and ACS are valid
AETHER-2691	Research on eNodeB TR-069 service issue
AETHER-2788     Use parameter from configuration to configure eNB
AETHER-2789     Load enodeb configuration by the serial number
AETHER-2821     Configure the PLMN which is current not supported by enodebd
AETHER-2839     Create acs_common to own the common attribute of eNodeb configuration
AETHER-2831     Writing documentation of configuring enodebd

This patch contains above jira tickets.
It can work and configure the eNodeB with single configuration now.

Change-Id: I4875d099246a1995de420c4947e7a99823055161
diff --git a/common/service.py b/common/service.py
index 2bcce61..5a3ca98 100644
--- a/common/service.py
+++ b/common/service.py
@@ -326,6 +326,7 @@
                 'or mconfig, defaulting to INFO',
             )
             log_level = LogLevel.Value('INFO')
+
         self._set_log_level(log_level)
 
     @staticmethod